Chair



FIG. 1 is a front perspective view of a chair embodying our new design;

FIG. 2 is a front elevational view of the design;

FIG. 3 is a top plan view of the design;

FIG. 4 is a side elevational view of the design, the opposite side being substantially a mirror image thereof (without the handle shown in phantom); and,

FIG. 5 is a rear elevation view of the design.

The broken line showing of an adjustment handle in FIGS. 1 and 4 and the broken line showing of a base in FIGS. 4 and 5 is for environmental purposes only and forms no part of the claimed design. 

The ornamental design for a chair, as shown and described. 